Is there a real three-sided pyramid in Egypt?

There are over 100 known ancient pyramids in Egypt. The majority of these pyramids were built around 3,100 to 2,181 B.C. These pyramids have a flat square base and four triangular sides. All of the...
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How to Build a Pyramid of Cards?

Have you ever wanted to make a card pyramid, but found it too frustrating and quit? This article will teach you how to make a simpler card pyramid, with all the appeal of an ornate tower.
http://www.wikihow.com/Build-a-Pyramid-of-Cards